<?php

/*
	Question2Answer (c) Gideon Greenspan

	http://www.question2answer.org/

	
	File: qa-include/qa-widget-related-qs.php
	Version: See define()s at top of qa-include/qa-base.php
	Description: Widget module class for related questions


	This program is free software; you can redistribute it and/or
	modify it under the terms of the GNU General Public License
	as published by the Free Software Foundation; either version 2
	of the License, or (at your option) any later version.
	
	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	More about this license: http://www.question2answer.org/license.php
*/

class qa_related_qs
{

    var $voteformcode;


    function allow_template($template)
    {
        return ($template == 'question');
    }


    function allow_region($region)
    {
        return ($region == 'side') || ($region == 'main') || ($region == 'full');
    }


    function output_widget($region, $place, $themeobject, $template, $request, $qa_content)
    {
        require_once QA_INCLUDE_DIR . 'qa-db-selects.php';

        if (@$qa_content['q_view']['raw']['type'] != 'Q') // question might not be visible, etc...
            return;

        $questionid = $qa_content['q_view']['raw']['postid'];

        $userid = qa_get_logged_in_userid();
        $cookieid = qa_cookie_get();

        $questions = qa_db_single_select(qa_db_related_qs_selectspec($userid, $questionid, qa_opt('page_size_related_qs')));

        $minscore = qa_match_to_min_score(qa_opt('match_related_qs'));

        foreach ($questions as $key => $question)
            if ($question['score'] < $minscore)
                unset($questions[$key]);

        $titlehtml = qa_lang_html(count($questions) ? 'main/related_qs_title' : 'main/no_related_qs_title');

        if ($region == 'side') {
            $themeobject->output(
                '<div class="qa-related-qs">',
                '<h2 style="margin-top:0; padding-top:0;">',
                $titlehtml,
                '</h2>'
            );

            $themeobject->output('<ul class="qa-related-q-list">');

            foreach ($questions as $question)
                $themeobject->output('<li class="qa-related-q-item"><a href="' . qa_q_path_html($question['postid'], $question['title']) . '">' . qa_html($question['title']) . '</a></li>');

            $themeobject->output(
                '</ul>',
                '</div>'
            );

        } else {
            $themeobject->output(
                '<h2>',
                $titlehtml,
                '</h2>'
            );

            $q_list = array(
                'form' => array(
                    'tags' => 'method="post" action="' . qa_self_html() . '"',

                    'hidden' => array(
                        'code' => qa_get_form_security_code('vote'),
                    ),
                ),

                'qs' => array(),
            );

            $defaults = qa_post_html_defaults('Q');
            $usershtml = qa_userids_handles_html($questions);

            foreach ($questions as $question)
                $q_list['qs'][] = qa_post_html_fields($question, $userid, $cookieid, $usershtml, null, qa_post_html_options($question, $defaults));

            $themeobject->q_list_and_form($q_list);
        }
    }

}


/*
	Omit PHP closing tag to help avoid accidental output
*/